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Finding the Fourth Proportional to 1,164.48, 1,746.74 and 548.62

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Solution

The fourth proportional to 1,164.48, 1,746.74 and 548.62 is: 822.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164.48 : 1,746.74 = 548.62 : x
  2. Step 2: Convert to fraction form
    1,164.48/1,746.74 = 548.62/x
  3. Step 3: Cross multiply
    1,164.48x = 1,746.74 × 548.62
  4. Step 4: Simplify right side
    1,164.48x = 958,296.50
  5. Step 5: Solve for x
    x = 958,296.50/1,164.48
  6. Step 6: Final answer
    x = 822.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.